| #ifndef PWC_IOCTL_H | |
| #define PWC_IOCTL_H | |
| /* (C) 2001-2004 Nemosoft Unv. | |
| (C) 2004-2006 Luc Saillard (luc@saillard.org) | |
| NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx | |
| driver and thus may have bugs that are not present in the original version. | |
| Please send bug reports and support requests to <luc@saillard.org>. | |
| The decompression routines have been implemented by reverse-engineering the | |
| Nemosoft binary pwcx module. Caveat emptor. | |
| This program is free software; you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation; either version 2 of the License, or | |
| (at your option) any later version. | |
| This program is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with this program; if not, write to the Free Software | |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| */ | |
| /* This is pwc-ioctl.h belonging to PWC 10.0.10 | |
| It contains structures and defines to communicate from user space | |
| directly to the driver. | |
| */ | |
| /* | |
| Changes | |
| 2001/08/03 Alvarado Added ioctl constants to access methods for | |
| changing white balance and red/blue gains | |
| 2002/12/15 G. H. Fernandez-Toribio VIDIOCGREALSIZE | |
| 2003/12/13 Nemosft Unv. Some modifications to make interfacing to | |
| PWCX easier | |
| 2006/01/01 Luc Saillard Add raw format definition | |
| */ | |
| /* These are private ioctl() commands, specific for the Philips webcams. | |
| They contain functions not found in other webcams, and settings not | |
| specified in the Video4Linux API. | |
| The #define names are built up like follows: | |
| VIDIOC VIDeo IOCtl prefix | |
| PWC Philps WebCam | |
| G optional: Get | |
| S optional: Set | |
| ... the function | |
| */ | |
| #include <linux/types.h> | |
| #include <linux/version.h> | |
| /* Enumeration of image sizes */ | |
| #define PSZ_SQCIF 0x00 | |
| #define PSZ_QSIF 0x01 | |
| #define PSZ_QCIF 0x02 | |
| #define PSZ_SIF 0x03 | |
| #define PSZ_CIF 0x04 | |
| #define PSZ_VGA 0x05 | |
| #define PSZ_MAX 6 | |
| /* The frame rate is encoded in the video_window.flags parameter using | |
| the upper 16 bits, since some flags are defined nowadays. The following | |
| defines provide a mask and shift to filter out this value. | |
| This value can also be passing using the private flag when using v4l2 and | |
| VIDIOC_S_FMT ioctl. | |
| In 'Snapshot' mode the camera freezes its automatic exposure and colour | |
| balance controls. | |
| */ | |
| #define PWC_FPS_SHIFT 16 | |
| #define PWC_FPS_MASK 0x00FF0000 | |
| #define PWC_FPS_FRMASK 0x003F0000 | |
| #define PWC_FPS_SNAPSHOT 0x00400000 | |
| #define PWC_QLT_MASK 0x03000000 | |
| #define PWC_QLT_SHIFT 24 | |
| /* structure for transferring x & y coordinates */ | |
| struct pwc_coord | |
| { | |
| int x, y; /* guess what */ | |
| int size; /* size, or offset */ | |
| }; | |
| /* Used with VIDIOCPWCPROBE */ | |
| struct pwc_probe | |
| { | |
| char name[32]; | |
| int type; | |
| }; | |
| struct pwc_serial | |
| { | |
| char serial[30]; /* String with serial number. Contains terminating 0 */ | |
| }; | |
| /* pwc_whitebalance.mode values */ | |
| #define PWC_WB_INDOOR 0 | |
| #define PWC_WB_OUTDOOR 1 | |
| #define PWC_WB_FL 2 | |
| #define PWC_WB_MANUAL 3 | |
| #define PWC_WB_AUTO 4 | |
| /* Used with VIDIOCPWC[SG]AWB (Auto White Balance). | |
| Set mode to one of the PWC_WB_* values above. | |
| *red and *blue are the respective gains of these colour components inside | |
| the camera; range 0..65535 | |
| When 'mode' == PWC_WB_MANUAL, 'manual_red' and 'manual_blue' are set or read; | |
| otherwise undefined. | |
| 'read_red' and 'read_blue' are read-only. | |
| */ | |
| struct pwc_whitebalance | |
| { | |
| int mode; | |
| int manual_red, manual_blue; /* R/W */ | |
| int read_red, read_blue; /* R/O */ | |
| }; | |
| /* | |
| 'control_speed' and 'control_delay' are used in automatic whitebalance mode, | |
| and tell the camera how fast it should react to changes in lighting, and | |
| with how much delay. Valid values are 0..65535. | |
| */ | |
| struct pwc_wb_speed | |
| { | |
| int control_speed; | |
| int control_delay; | |
| }; | |
| /* Used with VIDIOCPWC[SG]LED */ | |
| struct pwc_leds | |
| { | |
| int led_on; /* Led on-time; range = 0..25000 */ | |
| int led_off; /* Led off-time; range = 0..25000 */ | |
| }; | |
| /* Image size (used with GREALSIZE) */ | |
| struct pwc_imagesize | |
| { | |
| int width; | |
| int height; | |
| }; | |
| /* Defines and structures for Motorized Pan & Tilt */ | |
| #define PWC_MPT_PAN 0x01 | |
| #define PWC_MPT_TILT 0x02 | |
| #define PWC_MPT_TIMEOUT 0x04 /* for status */ | |
| /* Set angles; when absolute != 0, the angle is absolute and the | |
| driver calculates the relative offset for you. This can only | |
| be used with VIDIOCPWCSANGLE; VIDIOCPWCGANGLE always returns | |
| absolute angles. | |
| */ | |
| struct pwc_mpt_angles | |
| { | |
| int absolute; /* write-only */ | |
| int pan; /* degrees * 100 */ | |
| int tilt; /* degress * 100 */ | |
| }; | |
| /* Range of angles of the camera, both horizontally and vertically. | |
| */ | |
| struct pwc_mpt_range | |
| { | |
| int pan_min, pan_max; /* degrees * 100 */ | |
| int tilt_min, tilt_max; | |
| }; | |
| struct pwc_mpt_status | |
| { | |
| int status; | |
| int time_pan; | |
| int time_tilt; | |
| }; | |
| /* This is used for out-of-kernel decompression. With it, you can get | |
| all the necessary information to initialize and use the decompressor | |
| routines in standalone applications. | |
| */ | |
| struct pwc_video_command | |
| { | |
| int type; /* camera type (645, 675, 730, etc.) */ | |
| int release; /* release number */ | |
| int size; /* one of PSZ_* */ | |
| int alternate; | |
| int command_len; /* length of USB video command */ | |
| unsigned char command_buf[13]; /* Actual USB video command */ | |
| int bandlength; /* >0 = compressed */ | |
| int frame_size; /* Size of one (un)compressed frame */ | |
| }; | |
| /* Flags for PWCX subroutines. Not all modules honour all flags. */ | |
| #define PWCX_FLAG_PLANAR 0x0001 | |
| #define PWCX_FLAG_BAYER 0x0008 | |
| /* IOCTL definitions */ | |
| /* Restore user settings */ | |
| #define VIDIOCPWCRUSER _IO('v', 192) | |
| /* Save user settings */ | |
| #define VIDIOCPWCSUSER _IO('v', 193) | |
| /* Restore factory settings */ | |
| #define VIDIOCPWCFACTORY _IO('v', 194) | |
| /* You can manipulate the compression factor. A compression preference of 0 | |
| means use uncompressed modes when available; 1 is low compression, 2 is | |
| medium and 3 is high compression preferred. Of course, the higher the | |
| compression, the lower the bandwidth used but more chance of artefacts | |
| in the image. The driver automatically chooses a higher compression when | |
| the preferred mode is not available. | |
| */ | |
| /* Set preferred compression quality (0 = uncompressed, 3 = highest compression) */ | |
| #define VIDIOCPWCSCQUAL _IOW('v', 195, int) | |
| /* Get preferred compression quality */ | |
| #define VIDIOCPWCGCQUAL _IOR('v', 195, int) | |
| /* Retrieve serial number of camera */ | |
| #define VIDIOCPWCGSERIAL _IOR('v', 198, struct pwc_serial) | |
| /* This is a probe function; since so many devices are supported, it | |
| becomes difficult to include all the names in programs that want to | |
| check for the enhanced Philips stuff. So in stead, try this PROBE; | |
| it returns a structure with the original name, and the corresponding | |
| Philips type. | |
| To use, fill the structure with zeroes, call PROBE and if that succeeds, | |
| compare the name with that returned from VIDIOCGCAP; they should be the | |
| same. If so, you can be assured it is a Philips (OEM) cam and the type | |
| is valid. | |
| */ | |
| #define VIDIOCPWCPROBE _IOR('v', 199, struct pwc_probe) | |
| /* Set AGC (Automatic Gain Control); int < 0 = auto, 0..65535 = fixed */ | |
| #define VIDIOCPWCSAGC _IOW('v', 200, int) | |
| /* Get AGC; int < 0 = auto; >= 0 = fixed, range 0..65535 */ | |
| #define VIDIOCPWCGAGC _IOR('v', 200, int) | |
| /* Set shutter speed; int < 0 = auto; >= 0 = fixed, range 0..65535 */ | |
| #define VIDIOCPWCSSHUTTER _IOW('v', 201, int) | |
| /* Color compensation (Auto White Balance) */ | |
| #define VIDIOCPWCSAWB _IOW('v', 202, struct pwc_whitebalance) | |
| #define VIDIOCPWCGAWB _IOR('v', 202, struct pwc_whitebalance) | |
| /* Auto WB speed */ | |
| #define VIDIOCPWCSAWBSPEED _IOW('v', 203, struct pwc_wb_speed) | |
| #define VIDIOCPWCGAWBSPEED _IOR('v', 203, struct pwc_wb_speed) | |
| /* LEDs on/off/blink; int range 0..65535 */ | |
| #define VIDIOCPWCSLED _IOW('v', 205, struct pwc_leds) | |
| #define VIDIOCPWCGLED _IOR('v', 205, struct pwc_leds) | |
| /* Contour (sharpness); int < 0 = auto, 0..65536 = fixed */ | |
| #define VIDIOCPWCSCONTOUR _IOW('v', 206, int) | |
| #define VIDIOCPWCGCONTOUR _IOR('v', 206, int) | |
| /* Backlight compensation; 0 = off, otherwise on */ | |
| #define VIDIOCPWCSBACKLIGHT _IOW('v', 207, int) | |
| #define VIDIOCPWCGBACKLIGHT _IOR('v', 207, int) | |
| /* Flickerless mode; = 0 off, otherwise on */ | |
| #define VIDIOCPWCSFLICKER _IOW('v', 208, int) | |
| #define VIDIOCPWCGFLICKER _IOR('v', 208, int) | |
| /* Dynamic noise reduction; 0 off, 3 = high noise reduction */ | |
| #define VIDIOCPWCSDYNNOISE _IOW('v', 209, int) | |
| #define VIDIOCPWCGDYNNOISE _IOR('v', 209, int) | |
| /* Real image size as used by the camera; tells you whether or not there's a gray border around the image */ | |
| #define VIDIOCPWCGREALSIZE _IOR('v', 210, struct pwc_imagesize) | |
| /* Motorized pan & tilt functions */ | |
| #define VIDIOCPWCMPTRESET _IOW('v', 211, int) | |
| #define VIDIOCPWCMPTGRANGE _IOR('v', 211, struct pwc_mpt_range) | |
| #define VIDIOCPWCMPTSANGLE _IOW('v', 212, struct pwc_mpt_angles) | |
| #define VIDIOCPWCMPTGANGLE _IOR('v', 212, struct pwc_mpt_angles) | |
| #define VIDIOCPWCMPTSTATUS _IOR('v', 213, struct pwc_mpt_status) | |
| /* Get the USB set-video command; needed for initializing libpwcx */ | |
| #define VIDIOCPWCGVIDCMD _IOR('v', 215, struct pwc_video_command) | |
| struct pwc_table_init_buffer { | |
| int len; | |
| char *buffer; | |
| }; | |
| #define VIDIOCPWCGVIDTABLE _IOR('v', 216, struct pwc_table_init_buffer) | |
| /* | |
| * This is private command used when communicating with v4l2. | |
| * In the future all private ioctl will be remove/replace to | |
| * use interface offer by v4l2. | |
| */ | |
| #define V4L2_CID_PRIVATE_SAVE_USER (V4L2_CID_PRIVATE_BASE + 0) | |
| #define V4L2_CID_PRIVATE_RESTORE_USER (V4L2_CID_PRIVATE_BASE + 1) | |
| #define V4L2_CID_PRIVATE_RESTORE_FACTORY (V4L2_CID_PRIVATE_BASE + 2) | |
| #define V4L2_CID_PRIVATE_COLOUR_MODE (V4L2_CID_PRIVATE_BASE + 3) | |
| #define V4L2_CID_PRIVATE_AUTOCONTOUR (V4L2_CID_PRIVATE_BASE + 4) | |
| #define V4L2_CID_PRIVATE_CONTOUR (V4L2_CID_PRIVATE_BASE + 5) | |
| #define V4L2_CID_PRIVATE_BACKLIGHT (V4L2_CID_PRIVATE_BASE + 6) | |
| #define V4L2_CID_PRIVATE_FLICKERLESS (V4L2_CID_PRIVATE_BASE + 7) | |
| #define V4L2_CID_PRIVATE_NOISE_REDUCTION (V4L2_CID_PRIVATE_BASE + 8) | |
| struct pwc_raw_frame { | |
| __le16 type; /* type of the webcam */ | |
| __le16 vbandlength; /* Size of 4lines compressed (used by the decompressor) */ | |
| __u8 cmd[4]; /* the four byte of the command (in case of nala, | |
| only the first 3 bytes is filled) */ | |
| __u8 rawframe[0]; /* frame_size = H/4*vbandlength */ | |
| } __attribute__ ((packed)); | |
| #endif |